The monster tornado that blasted through the Oklahoma City suburbs in May 2013 is only the latest devastating storm to hit a state that has recorded an average of more than 55 twisters per year since 1950. The worst in recent history struck near Oklahoma City in May 1999 with winds over 300 mph and killed 36 people. Other disaster declarations have involved severe winter storms, wildfires, floods and the 1995 terrorist bombing that killed 168 people at the Oklahoma City federal building.
Major disaster declarations since 1953: 75
Source: Federal Emergency Management Agency